Used in advanced electronic devices due to its magnetic and dielectric properties, especially in high-frequency applications like inductors, transformers, and electromagnetic interference (EMI) suppression components. Its nanoscale size enhances performance in miniaturized circuits and sensors. Also employed in spintronics and as a catalyst in chemical reactions involving oxidation processes. Shows potential in biomedical applications such as targeted drug delivery and magnetic hyperthermia treatment for cancer, thanks to its controllable magnetic response and biocompatibility when properly coated. Additionally, utilized in energy storage systems, including certain types of batteries and supercapacitors, where it contributes to improved charge transfer and stability.